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  3. Data Manipulation with data.table in R

Exercise

Updating an existing column (I)

Being able to efficiently update existing columns is particularly useful when cleaning data. In this exercise, you will work with a new data.table, untidy, which is almost identical to batrips, except we introduced a typo in the second row of the start_station column.

Instructions 1/2

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Print the first two rows of untidy to see if you can spot the typo.